PTRB1U-01000Y
PTRB1U-01000Y
PTRB1U-01000Y
PTRB1U-01000Y
5-21---
6ES7414-4HM14-0AB0++++++++++++++++
6ES7414-4HJ04-0AB0++++++++++++++++
PHARPS32000000++++++++++++++++++++++++++++++++
1326ABB420EM2L++++++++++++++++
A06B-6120-H045++++++++++++++++
6SL3120-1TE31-3AA3++++++++++++++++
6SE7024-7ED61++++++++++++++++
HARS700/055II++++++++++++++++
6FC5210-0DF21-2AA0++++++++++++++++
176449-05++++++++++++++++
PHARPSPEP11013++++++++++++++++
YS3008FN001++++++++++++++++
A068-6240-H109++++++++++++++++
MDX61B0150-503-4-0T++++++++++++++++
20F11ND077AA0NNNNN++++++++++++++++
MCGG62VICB0753F++++++++++++++++
MKD071B-061-KG1-KN++++++++++++++++
A06B-6202-H030++++++++++++++++
PGH5-30/250RE07VU2/PN++++++++++++++++
A4VSO180DR/22R-PPB13N00++++++++++++++++
CP-317++++++++++++++++
A06B-6152-H030#H58++++++++++++++++
2711-T10G9++++++++++++++++
6ES7513-1FL01-0AB0++++++++++++++++
6RY1702-0CA04++++++++++++++++
电抗器 6SN1111-0AA00-1EA0 1台+++++++++++++
PM803F ++++++++++++++++
6SL3210-1SE17-7UA0 1台
A26-30-10 220v 10个
6ES7953-8LM31-0AA0 1
MFC/O2/MKS/15000sccm/GE50A015154S5V020 10个
TWDLCAA40DRF 1
3AUA0000074145 1
3AUA0000064885 1
3AUA0000073850 1
6ES7155-6AR00-0AN0
6ES7131-6BF01-0AA0
6ES7193-6BP00-0DA0
6ES7132-6BF01-0AA0
6ES7515-2AM01-0AB0
电磁流量计主板|FEP311350A1S5H6G7|ABB| 2
6ES7322-1BH81-0AA0数量10
6GK1140-1NA00数量6
6MD1010-0BA00数量6++++++++++++++++
T40398869 1
通讯模块`CRA93100 数量2 面价11466.05
6ES7214-1HG40-0XB0 ,14 个
FPF8060HRUD-120 1
6DD1682-0CH2 二手 1个+++++++++++++++
6FC5247-0AA06-0AA0
6SE6440-2UD22-2BA1 带中文操作面板 1
面板型号为6SE6400-0AP00-0AB0 1
LC备件触摸屏XBTGT7340Schneider??2件
PLC备件开关量输出模块DSY16T2??3件
PLC备件模拟量输入模块AEY414??10件
1768-L43S 1 56608++++++++++++
6SW1701-0DA14 ,1个
990-04-XX-01-00 , 1个
330906-02-12-05-02-00 ,1个
330104-00-10-10-02-00 ,1个
AF370-30 2
压力变送器 7MF4033-1AA10-2AC6-Z A01+Y01+Y15 10套
差压变送器 7MF4433-1DA22-2AC6-Z A01+A40+Y01+Y15 12套 成套
PZ1A050AP23SHK SANYO DENKI 1个
CS-7100 机器人配件ASYST数量1
X2X总线接收模块 X20BR9300 2个
电机起动器 PKZM4-63 12个
压力传感器 M5156-000002-010BG 12个
伺服电机 BCH0802O12A1C 1个
21000-28-10-00-030-04-02 ,5个
6ES7516-3AN01-0AB0 1
2700R11ADFEZZZ ,1个 EMERSON
IS420UCSBH1A, 1个 GE
PMP10.24SIC, 1个 ABB
2711P-RDT12C 面价42688 +++++++++++++++
25B-D010N114 面价6774.4
22-COMM-E 面价3120.4
HMIRSPHXA6701 5+++++++++++++
ABB coriolisMaster FCB430 2
6ES7416-3XL04-0AB0 1+++++++++++
IC754VSI12CTD-HH 1
QY3-350S-A 数量1
Pws5600t-s 1
ABB ! 变送器 ! PFEA111-65 ! 防护等级IP65 ! 1台
P1020T 1
DRELLOSCOP 3015 数量1
7SJ6825-5EW20-3FE0/BB 1
有ABB的IP模块吗? 7958513
计轴调频测试仪 V25921-Z1-A19 1个
6RA7087-6FV62-0-Z G94+D64+S00+K01+K11++++++++++++++
1 数字量信号连接应注意的问题
变频器的输入信号中包括对运行/ 停止、正转/ 反转、点动等运行状态进行操作的数字量输入信号(开关型指令信号),这些信号常来自PLC 的数字量输出信号。PLC 通常利用其内部的继电器接点(继电器输出型P L C )或具有开关特性的元器件(晶体管输出型PLC)与变频器相连,得到运行状态指令,如图1 和图2 所示。在进行数字量信号的连接时应注意:
(1)使用继电器输出型P L C 与变频器相连时,应注意接触不良常带来变频器误动作,因此在实际接线中要注意连接可靠。
(2)使用晶体管输出型P L C 与变频器相连时,应注意晶体管本身的电压的高低、电流的大小等限制条件在其范围内,保证系统的可靠性。
(3)设计变频器的输入信号电路时,应尽量避免采用继电器等感性负载,因继电器开闭产生的浪涌电流可能引起变频器的误动作。
(4)当P L C 输出的开关信号进入变频器时,有时会发生外部电源和变频器控制电源之间的串扰,应注意对P L C和变频器分开接地,避免两者使用共同的接地线。
主营产品:Schneider ,Foxboro,Ovatin,Allen-Bradley,Siemens等各类工控产品,
欢迎来电咨询!
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